Structure Data is in a well-organized form(eg. In rows and columns) and can be easily used by a computer program.
It is organized in entities, with similar entities grouped together to form relations or classes. Entities in the same group have the same descriptions. i.e. attributes. Structure data resides in RDBMS and Data Warehouse. Represented in a strict format.
- Phone numbers
- Credit card numbers
Sources of structured data:-
- Databases(eg. Access)
Characteristics of Structure data:-
- It has pre-defined models.
- This is clearly defined categories and subcategories.
- It usually contains text.
- Structure data can be easily mined and knowledge is extracted from it.
- Easy to search.
- It can be indexed easily by DBMS itself or manually.
- All entities in a group have the same defined format, a predefined length, follow the same order.